Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Body System - General Information
General Specifications
Body
Body and Sheet Metal
The body:
Is a unibody open cowl structure.
Is constructed of a lightweight, all-steel material with
removable bolted hood (16612), front
fenders (16005), doors, and luggage compartment lid ...
Inspection and Verification
1. Verify customer concern by running the engine.
2. Inspect the drive belt for chunking, fraying and wear.
3. Check the drive belt for correct routing.
Drive Belt Cracking/Chunking/Wear
V Ribbed Serpentine Drive Belt With Cracks Across Ribs
The accessory ...
Diagnostic Strategy
Troubleshooting an electronically controlled automatic transmission
is simplified by using the proven
method of diagnosis. One of the most important things to remember is
that there is a definite
procedure to follow.
NOTE: Do not take any short cut ...
